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Re: Quick poll: gmean or geometric_mean

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From Michael Selik <michael.selik@gmail.com>
Newsgroups comp.lang.python
Subject Re: Quick poll: gmean or geometric_mean
Date Sun, 10 Jul 2016 09:24:10 +0000
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On Sun, Jul 10, 2016, 4:56 AM Steven D'Aprano <steve@pearwood.info> wrote:

> On Sun, 10 Jul 2016 05:28 pm, Rustom Mody wrote:
>
> > From fuzzy memory of sitting in statistics classes decades ago
> > filled with μ-σ etc I'd suggest μ gμ hμ
>
> In all the stats books and references I've seen, μ is always the population
> mean (implicitly the arithmetic mean). When discussing the different kinds
> of mean, A, G and H are used for arithmetic, geometric and harmonic means.
> (Other means are rarely discussed.)
>
> I don't think I've ever seen gµ or hµ. They're sort of backwards... I'd
> expect µ subscript-g or subscript-h, not the other way.
>

I'm glad you brought up textbooks as it reminded me to say that most
scientific software is still struggling to shake off the legacy of
abbreviation.

Now even the basic IPython shell has autocomplete :-)

>

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Thread

Quick poll: gmean or geometric_mean Steven D'Aprano <steve@pearwood.info> - 2016-07-09 15:26 +1000
  Re: Quick poll: gmean or geometric_mean Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-07-09 08:43 +0300
  Re: Quick poll: gmean or geometric_mean Random832 <random832@fastmail.com> - 2016-07-09 01:49 -0400
  Re: Quick poll: gmean or geometric_mean Ethan Furman <ethan@stoneleaf.us> - 2016-07-08 23:27 -0700
  Re: Quick poll: gmean or geometric_mean Peter Otten <__peter__@web.de> - 2016-07-09 11:04 +0200
    Re: Quick poll: gmean or geometric_mean Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-12 15:13 -0700
      Re: Quick poll: gmean or geometric_mean Chris Angelico <rosuav@gmail.com> - 2016-07-13 08:17 +1000
  Re: Quick poll: gmean or geometric_mean Stefan Behnel <stefan_ml@behnel.de> - 2016-07-09 12:23 +0200
  Re: Quick poll: gmean or geometric_mean Ethan Furman <ethan@stoneleaf.us> - 2016-07-09 06:51 -0700
  Re: Quick poll: gmean or geometric_mean Jason Friedman <jsf80238@gmail.com> - 2016-07-09 08:16 -0600
  Re: Quick poll: gmean or geometric_mean Michael Selik <michael.selik@gmail.com> - 2016-07-09 16:13 +0000
  Re: Quick poll: gmean or geometric_mean Robert Kern <robert.kern@gmail.com> - 2016-07-09 17:53 +0100
  Re: Quick poll: gmean or geometric_mean Michael Selik <michael.selik@gmail.com> - 2016-07-09 18:31 +0000
  Re: Quick poll: gmean or geometric_mean Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-09 17:39 -0400
  Re: Quick poll: gmean or geometric_mean Chris Angelico <rosuav@gmail.com> - 2016-07-10 07:45 +1000
  Re: Quick poll: gmean or geometric_mean Rustom Mody <rustompmody@gmail.com> - 2016-07-10 00:28 -0700
    Re: Quick poll: gmean or geometric_mean Steven D'Aprano <steve@pearwood.info> - 2016-07-10 18:51 +1000
      Re: Quick poll: gmean or geometric_mean Michael Selik <michael.selik@gmail.com> - 2016-07-10 09:24 +0000
        Re: Quick poll: gmean or geometric_mean Steven D'Aprano <steve@pearwood.info> - 2016-07-10 20:08 +1000
          Re: Quick poll: gmean or geometric_mean Chris Angelico <rosuav@gmail.com> - 2016-07-10 21:07 +1000
          Re: Quick poll: gmean or geometric_mean Rustom Mody <rustompmody@gmail.com> - 2016-07-10 07:29 -0700
            Re: Quick poll: gmean or geometric_mean Rustom Mody <rustompmody@gmail.com> - 2016-07-10 07:44 -0700
            Re: Quick poll: gmean or geometric_mean Ian Kelly <ian.g.kelly@gmail.com> - 2016-07-10 08:55 -0600
              Re: Quick poll: gmean or geometric_mean Marko Rauhamaa <marko@pacujo.net> - 2016-07-10 18:03 +0300
                Re: Quick poll: gmean or geometric_mean Ian Kelly <ian.g.kelly@gmail.com> - 2016-07-10 11:15 -0600
                Re: Quick poll: gmean or geometric_mean Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-12 15:17 -0700
                Re: Quick poll: gmean or geometric_mean alister <alister.ware@ntlworld.com> - 2016-07-12 22:57 +0000
                Re: Quick poll: gmean or geometric_mean Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-12 18:42 -0700
                Re: Quick poll: gmean or geometric_mean Gene Heskett <gheskett@shentel.net> - 2016-07-12 21:58 -0400
                Re: Quick poll: gmean or geometric_mean alister <alister.ware@ntlworld.com> - 2016-07-13 13:03 +0000
                Re: Quick poll: gmean or geometric_mean Steven D'Aprano <steve@pearwood.info> - 2016-07-13 12:25 +1000
                Re: Quick poll: gmean or geometric_mean Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-10 19:21 -0400
            Re: Quick poll: gmean or geometric_mean Random832 <random832@fastmail.com> - 2016-07-10 12:08 -0400
            Re: Quick poll: gmean or geometric_mean Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-12 15:19 -0700
          Re: Quick poll: gmean or geometric_mean Michael Selik <michael.selik@gmail.com> - 2016-07-10 15:43 +0000
  Re: Quick poll: gmean or geometric_mean Ian Kelly <ian.g.kelly@gmail.com> - 2016-07-10 01:28 -0600
    Re: Quick poll: gmean or geometric_mean Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-07-10 11:01 +0300
      Re: Quick poll: gmean or geometric_mean Ian Kelly <ian.g.kelly@gmail.com> - 2016-07-10 09:04 -0600

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